MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in harsh conditions. Available in various configurations including front and rear wall mount as well as jam nut receptacles, they offer versatility for different applications. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, catering to diverse connectivity needs. Constructed with high strength aluminum shells, they provide durability while offering plating options such as cadmium and nickel for enhanced corrosion resistance. Ideal for military and industrial use, MIL-DTL-38999 I connectors deliver secure and efficient electrical connections.